Home / 202,151.64-302,729.18-127,085.60

Finding the Fourth Proportional to 202,151.64, 302,729.18 and 127,085.60

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Solution

The fourth proportional to 202,151.64, 302,729.18 and 127,085.60 is: 190,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,151.64 : 302,729.18 = 127,085.60 : x
  2. Step 2: Convert to fraction form
    202,151.64/302,729.18 = 127,085.60/x
  3. Step 3: Cross multiply
    202,151.64x = 302,729.18 × 127,085.60
  4. Step 4: Simplify right side
    202,151.64x = 38,472,519,477.81
  5. Step 5: Solve for x
    x = 38,472,519,477.81/202,151.64
  6. Step 6: Final answer
    x = 190,315.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.